Changes to add a new hook: HOOK_QUERY_HEADLINES. An example is provided.

5 files changed, 51 insertions, 18 deletions

diff --git a/classes/api.php b/classes/api.php
index 23866072f..139a486ee 100644
--- a/classes/api.php
+++ b/classes/api.php
@@ -636,8 +636,13 @@ class API extends Handler {
 			$feed_title = $qfh_ret[1];
 
 			$headlines = array();
-
+			
 			while ($line = db_fetch_assoc($result)) {
+				
+				foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
+					$line = $p->hook_query_headlines($line, 100, true);
+				}
+				
 				$is_updated = ($line["last_read"] == "" &&
 					($line["unread"] != "t" && $line["unread"] != "1"));
 
@@ -664,24 +669,27 @@ class API extends Handler {
 						$headline_row['attachments'] = get_article_enclosures(
 							$line['id']);
 
-				if ($show_excerpt) {
-					$excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
+				if ($show_excerpt ){
+					if(isset($line["modified_preview"])) 
+						$excerpt = strip_tags($line["content_preview"]);
+					else
+						$excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
 					$headline_row["excerpt"] = $excerpt;
 				}
 
 				if ($show_content) {
 
 					if ($line["cached_content"] != "") {
-						$line["content_preview"] =& $line["cached_content"];
+						$line["content"] =& $line["cached_content"];
 					}
 
 					if ($sanitize_content) {
 						$headline_row["content"] = sanitize(
-							$line["content_preview"],
+							$line["content"],
 							sql_bool_to_bool($line['hide_images']),
 							false, $line["site_url"]);
 					} else {
-						$headline_row["content"] = $line["content_preview"];
+						$headline_row["content"] = $line["content"];
 					}
 				}
 
@@ -699,6 +707,7 @@ class API extends Handler {
 				$headline_row["always_display_attachments"] = sql_bool_to_bool($line["always_display_enclosures"]);
 
 				$headline_row["author"] = $line["author"];
+				
 				$headline_row["score"] = (int)$line["score"];
 
 				foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_API) as $p) {
diff --git a/classes/feeds.php b/classes/feeds.php
index 83736925c..fd4c7fe53 100644
--- a/classes/feeds.php
+++ b/classes/feeds.php
@@ -288,6 +288,9 @@ class Feeds extends Handler_Protected {
 			$expand_cdm = get_pref('CDM_EXPANDED');
 
 			while ($line = $this->dbh->fetch_assoc($result)) {
+				foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
+					$line = $p->hook_query_headlines($line, 250);
+				}
 				$id = $line["id"];
 				$feed_id = $line["feed_id"];
 				$label_cache = $line["label_cache"];
@@ -360,9 +363,12 @@ class Feeds extends Handler_Protected {
 				$date_entered_fmt = T_sprintf("Imported at %s",
 					make_local_datetime($line["date_entered"], false));
 
-				if (get_pref('SHOW_CONTENT_PREVIEW')) {
-					$content_preview = truncate_string(strip_tags($line["content_preview"]),
-						250);
+				if (get_pref('SHOW_CONTENT_PREVIEW') ) {
+					if(isset($line["modified_preview"]))
+						$content_preview = strip_tags($line["content_preview"]);
+					else
+						$content_preview = truncate_string(strip_tags($line["content_preview"]),
+							250);
 				}
 
 				$score = $line["score"];
@@ -502,7 +508,7 @@ class Feeds extends Handler_Protected {
 					else
 						$tags = false;
 
-					$line["content"] = sanitize($line["content_preview"],
+					$line["content"] = sanitize($line["content"],
 							sql_bool_to_bool($line['hide_images']), false, $entry_site_url);
 
 					foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_RENDER_ARTICLE_CDM) as $p) {
@@ -575,7 +581,7 @@ class Feeds extends Handler_Protected {
 						$excerpt_hidden = "style=\"display : none\"";
 
 					$reply['content'] .= "<span $excerpt_hidden
-						id=\"CEXC-$id\" class=\"cdmExcerpt\"> - $content_preview</span>";
+						id=\"CEXC-$id\" class=\"cdmExcerpt\"> -" . $content_preview . "</span>";
 					$reply['content'] .= "</span>";
 
 					if (!get_pref('VFEED_GROUP_BY_FEED')) {
diff --git a/classes/handler/public.php b/classes/handler/public.php
index f05beafd2..825ea5e2e 100644
--- a/classes/handler/public.php
+++ b/classes/handler/public.php
@@ -87,14 +87,20 @@ class Handler_Public extends Handler {
 			$tpl->setVariable('SELF_URL', htmlspecialchars(get_self_url_prefix()), true);
 
 			while ($line = $this->dbh->fetch_assoc($result)) {
+				foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
+					$line = $p->hook_query_headlines($line);
+				}
 
 				$tpl->setVariable('ARTICLE_ID', htmlspecialchars($line['link']), true);
 				$tpl->setVariable('ARTICLE_LINK', htmlspecialchars($line['link']), true);
 				$tpl->setVariable('ARTICLE_TITLE', htmlspecialchars($line['title']), true);
-				$tpl->setVariable('ARTICLE_EXCERPT',
-					truncate_string(strip_tags($line["content_preview"]), 100, '...'), true);
+				if(isset($line["modified_preview"]))
+					$tpl->setVariable('ARTICLE_EXCERPT', strip_tags($line["content_preview"]), true);
+				else
+					$tpl->setVariable('ARTICLE_EXCERPT',
+						truncate_string(strip_tags($line["content_preview"]), 100, '...'), true);
 
-				$content = sanitize($line["content_preview"], false, $owner_uid);
+				$content = sanitize($line["content"], false, $owner_uid);
 
 				if ($line['note']) {
 					$content = "<div style=\"$note_style\">Article note: " . $line['note'] . "</div>" .
@@ -164,13 +170,19 @@ class Handler_Public extends Handler {
 			$feed['articles'] = array();
 
 			while ($line = $this->dbh->fetch_assoc($result)) {
+				foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
+					$line = $p->hook_query_headlines($line, 100);
+				}
 				$article = array();
 
 				$article['id'] = $line['link'];
 				$article['link']	= $line['link'];
 				$article['title'] = $line['title'];
-				$article['excerpt'] = truncate_string(strip_tags($line["content_preview"]), 100, '...');
-				$article['content'] = sanitize($line["content_preview"], false, $owner_uid);
+				if(isset($line["modified_preview"]))
+					$article['excerpt'] = strip_tags($line["content_preview"]);
+				else
+					$article['excerpt'] = truncate_string(strip_tags($line["content_preview"]), 100, '...');
+				$article['content'] = sanitize($line["content"], false, $owner_uid);
 				$article['updated'] = date('c', strtotime($line["updated"]));
 
 				if ($line['note']) $article['note'] = $line['note'];
diff --git a/classes/pluginhost.php b/classes/pluginhost.php
index 53adf01f9..a1bd1b364 100644
--- a/classes/pluginhost.php
+++ b/classes/pluginhost.php
@@ -37,6 +37,7 @@ class PluginHost {
 	const HOOK_PREFS_EDIT_FEED = 20;
 	const HOOK_PREFS_SAVE_FEED = 21;
 	const HOOK_FETCH_FEED = 22;
+	const HOOK_QUERY_HEADLINES = 23;
 
 	const KIND_ALL = 1;
 	const KIND_SYSTEM = 2;
diff --git a/classes/pref/filters.php b/classes/pref/filters.php
index bcc7b5aec..099c88252 100644
--- a/classes/pref/filters.php
+++ b/classes/pref/filters.php
@@ -97,12 +97,17 @@ class Pref_Filters extends Handler_Protected {
 		print "<table width=\"100%\" cellspacing=\"0\" id=\"prefErrorFeedList\">";
 
 		while ($line = $this->dbh->fetch_assoc($result)) {
+			foreach (PluginHost::getInstance()->get_hooks(PluginHost::HOOK_QUERY_HEADLINES) as $p) {
+					$line = $p->hook_query_headlines($line, 100);
+				}
 
 			$entry_timestamp = strtotime($line["updated"]);
 			$entry_tags = get_article_tags($line["id"], $_SESSION["uid"]);
 
-			$content_preview = truncate_string(
-				strip_tags($line["content_preview"]), 100, '...');
+			if(isset($line["modified_preview"]))
+				$content_preview = strip_tags($line["content_preview"]);
+			else
+				$content_preview = truncate_string(strip_tags($line["content_preview"]), 100, '...');
 
 			if ($line["feed_title"])
 				$feed_title = $line["feed_title"];